One person was injured during a single-vehicle accident Tuesday morning, in Harrison County. The Iowa State Patrol reports a 2015 Buick Enclave registered to 31-year old Justin Windrum, of Omaha, was at a gas pump at the Taylor Quick Pick in Missouri Valley, when the vehicle suddenly accelerated forward and struck a diesel pump on the west side of the parking lot, and store employee, 43-year old Shawn Squier, of Missouri Valley. The accident happened at around 9:55-a.m.

Squier suffered serious head injuries and was transported by LifeNet helicopter to Bergen-Mercy Hospital. Windrum was not injured during the incident. The crash remains under investigation. The Patrol was assisted at the scene by the Missouri Valley P-D and Missouri Valley Fire & Rescue.